TABLE 2.
The characteristics of the patients in the included trials
| Age of participants | Male percentage | ||||
|---|---|---|---|---|---|
| Reference (study) | Patient no | ||||
| Test group | Control group | Test group | Control group | ||
| Zhang Liantao (2019) 1 | 90 | 63.31 ± 11.65 | 65.46 ± 11.70 | 31/45 | 26/45 |
| De‐Cai Tian (2018) 11 | 46 | 67 ± 6.8 | 65 ± 13 | 9/23 | 7/23 |
| Zilong Zhu (2015) 18 | 47 | 60 ± 12.5 | 59 ± 7.51 | 13/22 | 17/25 |
| Ying Fu (2014) 44 | 22 | 62.3 ± 8.0 | 54.7 ± 11.0 | 8/11 | 9/11 |
| De‐Cai Tian (2017) 29 | 23 | 66.2 ± 8.2 | 63.1 ± 11.1 | 7/13 | 7/10 |
| Total | 228 | 63.55 ± 10.5 | 62.7 ± 11.5 | 68/114 | 66/114 |